The crash happened before 6 this morning on the Bangor to Ards Carriageway.
A 50 year old cyclist has died in a collision on the Newtownards to Bangor carriageway.
The crash involving a Renault car and a bicycle happened just before 6 o clock this morning.
The man was killed close to the Somme Heritage Centre.
No one else was hurt in the incident.
The road remains closed this afternoon.